T-Power 19v AC Adapter Compatible with BUFFALO LS-Q4.0TL,R5 LSQV4.0TL,R5 LS-QL,R5 OP-AC19 4TB LinkStation Quad Shared Network Storage (NAS) Replacement switching power supply cord Brand-new Input Voltage Range: AC 100V - 240V ( 19v 5A ) Compatible Model: BUFFALO LS-Q4.0TL/R5 LSQV4.0TL/R5 LS-QL/R5 OP-AC19 4TB LinkStation Quad Shared Network Storage (NAS) T-Power - manufactured with the highest quality materials and include multiple smart features safeguarding against IV - incorrect voltage, SC - short circuit, IO - internal overheating. CE/FCC/RoHS certified